Dweets awesomed by u/HardlyProductive

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

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Current theme challenge: #Opposites

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magna

remix of d/32381 by u/magna

function u(t) {

u=t|0;X=u&3;Y=u>>2;X*=480;Y*=270;for(j=18;j--;)for(i=791;i--;T=10*j-2)x.fillRect(X+240+S(i+S(j/3+t)/3)*T,Y+135+C(i)*T*(.4+S(i+t)/4),1,.1)

Sep 13 2024 2:40 AM UTC

}// 137/140

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Shiny seashells

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New_Core

function u(t) {

x.fillStyle=R(0,0,0,.05)
x.fillRect(0,0,2e3,2e3)
x.fillStyle=R(255)
for(i=10;i--;)x.fillRect(i*200+99*S(t*.9+i),100*T(t+i)+540,50,50)

Sep 3 2024 3:01 PM UTC

}// 134/140

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u/thenize

it would be cooler if it changed color. Still super cool!

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rodrigo.siqueira

remix of d/32330 by u/taupelink

function u(t) {

for(i=1e3;i--;x.fill())x.beginPath(x.globalAlpha=S(j=i**t)**36/3*t),x.arc(960+(r=300*t)*C(i),540+r*S(i),120/t**t*t/2.3,j+=5*i,j-6+j%t)

Sep 1 2024 10:50 PM UTC

}// 134/140

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Symmetry 8

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rodrigo.siqueira

remix of d/32189 by u/rodrigo.siqueira

function u(t) {

f=u=>((u%16-1)**2);g=n=>!(f(Y/n*2)&f(X*n/3+S(X))-1);for(i=3e4;i--;x.fillRect(38.2*X,1125-43*Y,g(3),g(t)))if(t<9)X=i*t%58.3,Y=X*i%29

Aug 27 2024 11:30 AM UTC

}// 131/140

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Sierpinski connectors #sierpinski

u/cantelope

#triptych
u/thenize

looks cool

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HardlyProductive

function u(t) {

x.globalAlpha=0.1;
x.fillStyle = "green";
f=a=>~~(a*3.36/99)*99;
onmousemove=e=>x.fillRect(f(e.x),f(e.y),90,90);

Aug 19 2024 9:03 AM UTC

}// 114/140

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snake v3 - wip - github commit graph

u/cantelope

neat

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HardlyProductive

function u(t) {

f=(a)=>Math.floor(a*3.36/99)*99;
onmousemove=e=>{x.fillRect(f(e.x),f(e.y),90,90)};

Aug 19 2024 8:56 AM UTC

}// 82/140

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snake v2 - wip

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HardlyProductive

remix of d/32253 by u/HardlyProductive

function u(t) {

for(c.width|=i=0;i<9;i++){for(j=29;j--;){x.globalAlpha=1/j;x.fillRect(200*i+85+100*S(19*(t-0.015*j)+i),525-400*C(7*(t-0.015*j)+i),30,30)}}

Aug 19 2024 5:30 AM UTC

}// 138/140

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longer tails

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HardlyProductive

function u(t) {

t?x.reset():T=[[1,1],[2,1],[3,1],[4,1]]
T.forEach(e=>{e[0]>20?(e[1]+=1,e[0]=0):x.fillRect(e[0]*99,e[1]*99,90,90);e[0]+=1;e[1]>9?e[1]=0:1})

Aug 19 2024 4:19 AM UTC

}// 139/140

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snake v1 - wip

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HardlyProductive

function u(t) {

p=3.36;
x.beginPath();
x.moveTo(T,R);
t?onmousemove=e=>(x.lineTo(e.x*p,e.y*p),x.stroke(),T=e.x*p,R=e.y*p):X=Y=0;

Aug 18 2024 3:02 AM UTC

}// 113/140

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Drawing tool v1 - use mouse

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cantelope

remix of d/32252 by u/HardlyProductive

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁷👣𛡷𪑤𭁨🐴𞀰𛁩🐲𝰻𪐭𛐻𪐥𜡼𯁦𪑬𫁔𩑸𭀨𦀾𭰿𙱟𙰺𙰾𙰬𜠵𚱘𙐱𜰲𝐬𜐷𜀩𚑡𬡣𚁘🐳𝐪𪐫𜠵𚰨𪐯𜡼𜀩𚠶𜐬𜐲𝐬𜐶𛀰𛀹𛁢𩑧𪑮𤁡𭁨𚁦𫱮𭀽𙰴𜁰𮀠𮀧𚐩𛁳𭁲𫱫𩐨𚐬𩡩𫁬𤡥𨱴𚁘𚰹𚡓𚁰🐷𚡴𚱩𚐭𝀬𜐲𜐭𞐪𠰨𬀩𛀹𛀹𚐻`.replace(/u../g,'')))

Aug 17 2024 11:47 PM UTC

}// 137/140

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